Few questions:
Where did you get the file? And have you(or anyone else) modified it what so ever? (This is important so someone doesn't go debugging a different version)
Do you get any text in the console? Or anything else that could point someone to debugging where this is happening in the code. If you get a lavish crash report, copy/paste it here also, it will usually have some markers we can go off of also.

Okay, I just loaded it. I have a small broker of like 8 items. Hit [Start Scanning]. It appeared to scan through each box on my broker. No freezing or crashing (I was watching FPS to see if it ever stopped, and it never did, so my game didn't freeze at all).